jennifer griffin works the pentagon with us and is is there tonight. how many jobs would now be open to women, jennifer? >> shep, this new directive will open more than 230,000 jobs to women in the army and marines. secretary panetta plans to lift the military's ban on women serving in combat opening thousands of front line combat positions to these women. the ban has been in place since 1994. the service chiefs have until january 2016 to seek exceptions to certain units, shepard. >> shepard: what have recent tests shown? the physical limitations? can women do this? >> well, remember last october, the marines took the unusual step of opening up a one of their key courses, it's called the marine infantry officer course. two female marines were allowed to go through quantico's marine infantry officer course. it's a brutal 10 week test that requires strength, endurance and fitness, they both failed. marine captain who served in iraq and afghanistan garnered attention last year when she argued against putting women in combat, writing in the marine corps ti